73 Magazine October 1969 (#109)

A Super-Gain Antenna for 40 Meters - Nine db on 40 meters might be called "super" ...... W4NVK 8
DX Corner - WTW reports and other DX jazz ...... K2AGZ 12
FET Chirper - Signal source for peaking converters for optimum signal/noise ...... K6QKL 20
The Inside Info on Alexander Graham - Or how the telephone really works ...... W2FEZ 24
Leaky Lines - Similar to "Grumbles," but by a licensed amateur, not a CB'er ...... K2AGZ 28
Scope Calibrator - Gadget you can build to improve your scope ...... WlOLP 32
Vidiots That Have Known Me - Sense of humor test. If you flunk, go back to 11 meters ...... K1YSD 34
The Protector - Protects your gear from sudden line voltage surges and interruptions ...... WA0HKC 40
Slower Tuning Rates for Older Receivers - Just like band spread ...... W4RNL 42
Positive Identification of Calibrator Harmonics - Keeps you off 6950 and other poor DX bands ...... K5LLI 46
Adapting AM Transmitters to FM - Good Heavens, is everyone going on VHF FM? ...... WA4UZM 50
CB Sets on Six - No need to junk that CB rig when you get your Tech ticket ...... WB2FHW 52
Proportional Control Crystal Oven - You need this sort of thing for moonbounce work and such ...... W2CLL 54
A Crystal Filter Phasing Control - Look at the i-f response in Fig. 10 and be amazed ...... W2LT 58
Grounded Grid Filament Chokes - You need these for linear amplifiers ...... W2IK 62
Equipment Cabinets with Style - Make it look commercial ...... W2OLP 64
VHF-FM: Part I - Advantages and practices. When are you going on FM? ...... WB2AEB 66
Bring Back the Q Multiplier - Invaluable for CW, notches out AM carriers, etc ...... W8RHR 68
Activation in VP2 - Anguilla Island activated ...... VP2AC 70
The CR Beam - Two meter corner reflector beam ...... WA4FDQ 73
The ARRL Board and Amateur Radio - An ex-ARRL Director evaluates the latest board meeting ...... W7ZC 76
A Cheap and Easy Power Supply - For a sideband transceiver ...... K4FQU 83
Extra Class License Course, Part IX - Modulation. We'll have lots of arguments on this one ...... Staff 86
Ham Jamboree - Scouts hit the ham bands every October ...... WB6IZF 108
Operation Cat's Paw - Whimsy ...... W7ZC 116
Knight V-l07 VFO for Six and Two Meters - Test report by a happy user ...... K6GKX 123
Careers in the FAA - Get on the government payroll ...... W6JTT 124
Youth Forum - Teenagers, arise! ...... WA1GEK 132

Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.A

plus-circle Add Review

comment

Reviews